<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <title>layout 后台大布局 - Layui</title>
    <link rel="stylesheet" type="text/css" href="https://www.layuicdn.com/layui/css/layui.css"/>
</head>
<body class="layui-layout-body">
<div class="layui-layout layui-layout-admin">
    <div class="layui-side layui-bg-black">
        <div class="layui-side-scroll">
            <!-- 左侧导航区域（可配合layui已有的垂直导航） -->
            <ul class="layui-nav layui-nav-tree" lay-filter="test">
                <li class="layui-nav-item layui-nav-itemed">
                    <a class="" href="javascript:;">所有商品</a>
                    <dl class="layui-nav-child">
                        <dd><a href="javascript:;" data-url="2.html">列表一</a></dd>
                        <dd><a href="javascript:;" data-url="3.html">列表二</a></dd>
                        <dd><a href="javascript:;">列表三</a></dd>
                        <dd><a href="">超链接</a></dd>
                    </dl>
                </li>
            </ul>
        </div>
    </div>

    <div class="layui-body">
        <!-- 内容主体区域 -->
        <div style="padding: 15px;" id="con">内容主体区域</div>
    </div>
</div>
<script href="https://www.layuicdn.com/layui/layui.js"></script>
<script>
    //JavaScript代码区域
    layui.use(['jquery', 'element'], function () {
        var $ = layui.jquery;
        var element = layui.element;
        element.on('nav(test)', function (data) {
            var url = $(this).attr('data-url');
            $('#con').load(url);
            // console.log(this);
        })
    });
</script>
</body>
</html>
